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Noun: steroid  'ste,royd or 'steer,oyd
  1. Any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects
  2. Any hormone affecting the development and growth of sex organs
    - steroid hormone, sex hormone

Derived forms: steroids

Type of: endocrine, hormone, internal secretion, organic compound

Encyclopedia: Steroid